| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| package com.cloud.storage.dao; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import javax.inject.Inject; |
| |
| import com.cloud.utils.db.Transaction; |
| import com.cloud.utils.db.TransactionCallbackNoReturn; |
| import com.cloud.utils.db.TransactionStatus; |
| import org.apache.cloudstack.api.response.StorageTagResponse; |
| import org.apache.cloudstack.framework.config.dao.ConfigurationDao; |
| |
| import com.cloud.storage.StoragePoolTagVO; |
| import com.cloud.utils.db.GenericDaoBase; |
| import com.cloud.utils.db.SearchBuilder; |
| import com.cloud.utils.db.SearchCriteria; |
| import com.cloud.utils.db.TransactionLegacy; |
| |
| public class StoragePoolTagsDaoImpl extends GenericDaoBase<StoragePoolTagVO, Long> implements StoragePoolTagsDao { |
| |
| @Inject |
| private ConfigurationDao _configDao; |
| |
| protected final SearchBuilder<StoragePoolTagVO> StoragePoolSearch; |
| private final SearchBuilder<StoragePoolTagVO> StoragePoolIdsSearch; |
| |
| private static final int DEFAULT_BATCH_QUERY_SIZE = 2000; |
| |
| public StoragePoolTagsDaoImpl() { |
| StoragePoolSearch = createSearchBuilder(); |
| StoragePoolSearch.and("poolId", StoragePoolSearch.entity().getPoolId(), SearchCriteria.Op.EQ); |
| StoragePoolSearch.done(); |
| StoragePoolIdsSearch = createSearchBuilder(); |
| StoragePoolIdsSearch.and("idIN", StoragePoolIdsSearch.entity().getId(), SearchCriteria.Op.IN); |
| StoragePoolIdsSearch.done(); |
| } |
| |
| @Override |
| public void persist(long poolId, List<String> storagePoolTags, Boolean isTagARule) { |
| TransactionLegacy txn = TransactionLegacy.currentTxn(); |
| |
| txn.start(); |
| SearchCriteria<StoragePoolTagVO> sc = StoragePoolSearch.create(); |
| sc.setParameters("poolId", poolId); |
| expunge(sc); |
| |
| for (String tag : storagePoolTags) { |
| tag = tag.trim(); |
| if (tag.length() > 0) { |
| StoragePoolTagVO vo = new StoragePoolTagVO(poolId, tag, isTagARule); |
| persist(vo); |
| } |
| } |
| txn.commit(); |
| } |
| |
| public void persist(List<StoragePoolTagVO> storagePoolTags) { |
| Transaction.execute(TransactionLegacy.CLOUD_DB, new TransactionCallbackNoReturn() { |
| @Override public void doInTransactionWithoutResult(TransactionStatus status) { |
| for (StoragePoolTagVO storagePoolTagVO : storagePoolTags) { |
| persist(storagePoolTagVO); |
| } |
| } |
| }); |
| } |
| |
| @Override |
| public List<String> getStoragePoolTags(long poolId) { |
| SearchCriteria<StoragePoolTagVO> sc = StoragePoolSearch.create(); |
| sc.setParameters("poolId", poolId); |
| |
| List<StoragePoolTagVO> results = search(sc, null); |
| List<String> storagePoolTags = new ArrayList<String>(results.size()); |
| for (StoragePoolTagVO result : results) { |
| storagePoolTags.add(result.getTag()); |
| } |
| |
| return storagePoolTags; |
| } |
| |
| @Override |
| public void deleteTags(long poolId) { |
| TransactionLegacy txn = TransactionLegacy.currentTxn(); |
| txn.start(); |
| SearchCriteria<StoragePoolTagVO> sc = StoragePoolSearch.create(); |
| sc.setParameters("poolId", poolId); |
| expunge(sc); |
| txn.commit(); |
| } |
| |
| @Override |
| public List<StoragePoolTagVO> searchByIds(Long... stIds) { |
| final int detailsBatchSize = getDetailsBatchSize(); |
| |
| // query details by batches |
| List<StoragePoolTagVO> uvList = new ArrayList<StoragePoolTagVO>(); |
| int curr_index = 0; |
| |
| while ((curr_index + detailsBatchSize) <= stIds.length) { |
| searchForStoragePoolIdsInternal(curr_index, detailsBatchSize, stIds, uvList); |
| curr_index += detailsBatchSize; |
| } |
| |
| if (curr_index < stIds.length) { |
| int batch_size = (stIds.length - curr_index); |
| searchForStoragePoolIdsInternal(curr_index, batch_size, stIds, uvList); |
| } |
| |
| return uvList; |
| } |
| |
| /** |
| * Search for storage pools based on their IDs. |
| * The search is executed in batch, this means that we will load a batch of size {@link StoragePoolTagsDaoImpl#getDetailsBatchSize()} |
| * {@link StoragePoolTagVO} at each time. |
| * The loaded storage pools are added in the pools parameter. |
| * @param currIndex current index |
| * @param batchSize batch size |
| * @param stIds storage tags array |
| * @param pools list in which storage pools are added |
| */ |
| protected void searchForStoragePoolIdsInternal(int currIndex, int batchSize, Long[] stIds, List<StoragePoolTagVO> pools) { |
| Long[] ids = new Long[batchSize]; |
| for (int k = 0, j = currIndex; j < currIndex + batchSize; j++, k++) { |
| ids[k] = stIds[j]; |
| } |
| SearchCriteria<StoragePoolTagVO> sc = StoragePoolIdsSearch.create(); |
| sc.setParameters("idIN", (Object[])ids); |
| List<StoragePoolTagVO> vms = searchIncludingRemoved(sc, null, null, false); |
| if (vms != null) { |
| pools.addAll(vms); |
| } |
| } |
| |
| /** |
| * Retrieve {@code detail.batch.query.size} configuration value. If not available, return default value {@link StoragePoolTagsDaoImpl#DEFAULT_BATCH_QUERY_SIZE} |
| * @return detail.batch.query.size configuration value |
| */ |
| protected int getDetailsBatchSize() { |
| String batchCfg = _configDao.getValue("detail.batch.query.size"); |
| return batchCfg != null ? Integer.parseInt(batchCfg) : DEFAULT_BATCH_QUERY_SIZE; |
| } |
| |
| @Override |
| public StorageTagResponse newStorageTagResponse(StoragePoolTagVO tag) { |
| StorageTagResponse tagResponse = new StorageTagResponse(); |
| |
| tagResponse.setName(tag.getTag()); |
| tagResponse.setPoolId(tag.getPoolId()); |
| |
| tagResponse.setObjectName("storagetag"); |
| |
| return tagResponse; |
| } |
| |
| @Override |
| public List<StoragePoolTagVO> findStoragePoolTags(long poolId) { |
| SearchCriteria<StoragePoolTagVO> sc = StoragePoolSearch.create(); |
| sc.setParameters("poolId", poolId); |
| |
| return search(sc, null); |
| } |
| |
| } |